Problem $16-5$

One useful piece of information derived from the Black$-$Scholes model for the valuation of a call option is the hedge ratio, which gives the slope of the line

relating the change in the price of an option to the change in the price of the stock. Suppose that the delta is $0\mathrm{.}8$ and the investor owns $200$ shares of stock.

How may the investor use call options to hedge the position?

The investor would need

call options to hedge. Round your answer to two decimal places.